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【简答题】
超临界流体萃取技术最常用的萃取剂是（）
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】区分岩石坚固程度所用的系数叫普氏系数，其符号为“f”，计算公式为（），其中R为岩石极限单向抗压强度（Mpa）。
【单选题】- How many people attended the exhibit? - I’m not sure. __________ 100 people.
A.
Exactly
B.
Actually
C.
Roughly
D.
Strictly
【单选题】She is a very talented ___________, and many people admire the glass vases and bowls she creates.
A.
carpenter
B.
craftsperson
【单选题】People may have different opinions about Karen, but I admire her. ______, she is a great musician.
A.
After all
B.
As a result
C.
In other words
D.
As usual
【单选题】已知某隧洞开挖断面为城门洞形，开挖宽度B及高度H均为5.5m，围岩为比较新鲜的、节理裂隙较少的砂岩，岩石坚固系数f=6，摩擦角为75°，容重为24kN/m 3 ，采用普氏公式计算该断面的垂直山岩压力为( )kN/m 2 。
A.
9.73
B.
8.73
C.
7.62
D.
6.31
【单选题】One of the qualities that most people admire in others is the willingness to admit one's mistakes. It is extremely hard sometimes to say a simple thing like 'I was wrong about that,' and it is even ha...
A.
have never made any mistakes
B.
often make mistakes but correct them in no time
C.
admit their mistakes
D.
forget other people's mistakes easily
【简答题】阅读理解。 One of the qualities that most people admire in others is the willingness to admit one's mistakes. It is extremely hard sometimes to say a thing like 'I was wrong about that,' and it is e...
【简答题】3). Manchester United has played very well since last November. Many young people admire the members of that football team. a. Manchester United has played very well since last November, _________man...
【简答题】He is one of the greatest __________ (physics) in the world and many people admire him very much.
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